diff --git a/.travis.yml b/.travis.yml
index 62088270f..92ba4e650 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -12,7 +12,7 @@ rvm:
   - jruby-9.1.0.0
   - jruby-head
 before_install:
-  - gem install bundler --no-document
+  - gem install bundler -v '~> 1.12.5' --no-document
 before_script:
   - unset JRUBY_OPTS
 script: ruby -Ilib exe/rake